3-(Aminomethyl)-4-bromo-2-(difluoromethyl)pyridine-5-acetonitrile
3-(Aminomethyl)-2-bromo-6-(difluoromethyl)pyridine-4-acetonitrile
3-(Aminomethyl)-2-bromo-5-(difluoromethyl)pyridine-4-acetonitrile
Methyl 2-bromo-3-(difluoromethyl)-5-iodopyridine-6-carboxylate